Family name 沧涌 (沧涌 
) , in all the world, is a very rare last name. The cognomen 沧涌 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 沧涌 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 沧涌 | China |